Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
CDUS43 KLOT 172141
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT MON JUL 17 2017


...................................

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JULY 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         79   1153 AM 100    1942  84     -5       83
                                      1887
  MINIMUM         56    454 AM  51    1985  64     -8       61
  AVERAGE         68                        74     -6       72

PRECIPITATION (IN)
  TODAY            0.00          3.04 1969   0.11  -0.11     0.25
  MONTH TO DATE    3.10                      1.88   1.22     2.37
  SINCE JUN 1      6.54                      5.33   1.21     5.22
  SINCE JAN 1     24.65                     18.41   6.24    18.86

SNOWFALL (IN)
  TODAY            0.0           T    2003   0.0    0.0      0.0
  MONTH TO DATE    T                         0.0    0.0      0.0
  SINCE JUN 1      T                         0.0    0.0      0.0
  SINCE JUL 1      T                         0.0    0.0      0.0

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      3                        48    -45       13
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY            3                         9     -6        7
  MONTH TO DATE  155                       152      3      139
  SINCE JUN 1    385                       317     68      355
  SINCE JAN 1    418                       371     47      429
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     6.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           400 AM
 LOWEST     42          1200 PM
 AVERAGE    68

..........................................................


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       100      1946
 MINIMUM TEMPERATURE (F)   64        53      1979


SUNRISE AND SUNSET
JULY 17 2017..........SUNRISE   531 AM CDT   SUNSET   824 PM CDT
JULY 18 2017..........SUNRISE   532 AM CDT   SUNSET   823 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.